4.3

CVE-2011-3186: rubyonrails rails Code Injection

CVSS: 4.3v2.0MediumModified
AliasesDEBIAN-CVE-2011-3186GHSA-fcqf-h4h4-695m
Published 29-08-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-3186 is a medium (CVSS 4.3) Code Injection vulnerability in rubyonrails rails. EPSS estimates a 1.75% chance of exploitation in the next 30 days, higher than 77.6% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.75%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DSA-2301-1

Timeline

  1. 29-08-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

CRLF injection vulnerability in actionpack/lib/action_controller/response.rb in Ruby on Rails 2.3.x before 2.3.13 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the Content-Type header.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.75%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.75% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.75%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • rails< 2.3.14
RubyGems1 product
  • actionpack≥ 2.3.0, < 2.3.13
Rubyonrails1 product
  • rails2.3.2 | 2.3.3 | 2.3.4 | 2.3.9 | 2.3.10 | 2.3.11 | 2.3.12

3 vendors · 3 products

References

18 links
Show all 18 references